/*
 * Copyright (c) 2012 Chris Bode
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without
 * limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
 * Software, and to permit persons to whom the Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions
 * of the Software.
 *
 * No affiliation with PailPipe or any related projects is claimed.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
package hafnium.bukkit.pail.pipe.data;

import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class TextDatum implements Datum {
	private String data;

	public TextDatum() {
		this.data = null;
	}

	public TextDatum(String text) {
		this.data = text;
	}

	/**
	 * @return the data
	 */
	public String getData() {
		return this.data;
	}

	@Override
	public String toString() {
		return this.getData();
	}

	@Override
	public void writeTo(File f) throws IOException {
		if (this.data == null)
			throw new IllegalStateException("This datum has no value.");

		FileWriter write = new FileWriter(f);

		write.write(this.data);

		write.close();
	}

	@Override
	public void readFrom(File f) throws IOException {
		if (this.data != null)
			throw new IllegalStateException("This datum already has a value, it cannot be loaded.");

		FileReader read = new FileReader(f);

		StringBuffer buf = new StringBuffer();
		int charInt;

		while ((charInt = read.read()) != -1)
			buf.append((char) charInt);

		this.data = buf.toString();

		read.close();
	}
}
